A random sample of 400 electronic components manufactured by a certain process are
Chapter 5, Problem 9(choose chapter or problem)
A random sample of 400 electronic components manufactured by a certain process are tested, and 30 are found to be defective.
Let p represent the proportion of components manufactured by this process that are defective. Find a \(95 \%\) confidence interval for p.
How many components must be sampled so that the \(95 \%\) confidence interval will specify the proportion defective to within \(\pm 0.02\)?
(Hard) The company ships the components in lots of 200. Lots containing more than 20 defective components may be returned. Find a \(95 \%\) confidence interval for the proportion of lots that will be returned.
Equation Transcription:
Text Transcription:
95%
95%
\pm 0.02
95%
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